<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			.wrap {
				margin: 200px auto;
				width: 800px;
				height: 500px;
				background-color: #EEEEEE;
				display: flex;
				justify-content: space-around;
				align-items: center;
				perspective: 500px;/*全局透视*/
			}
			.inner {
				width: 16.25rem;
				height: 260px;
				background-color: #FF6700;
				transition: 2s;
				transform: rotateY(45deg);
			}
			.wrap:hover .inner {
				
			}
		</style>
	</head>
	<body>
		<div class="wrap">
			<div class="inner"></div>
			<!-- <div class="inner"></div>
			<div class="inner"></div> -->
		</div>
	</body>
</html>
